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I. Order Proteales
Nelumbonaceae - lotus lily family
Family of one genus and two species - the second species in Asia. Previously considered closely related to water lilies in family Nymphaeaceae, but now shown not be a basal angiosperm but rather a more derived eudicot. A good example of convergence in aquatic plants.
Nelumbo lutea - American lotus, lotus lily
Habit as an aquatic, perennial herb. Leaves are simple, peltate and borne on the surface of the water. Inflorescence a solitary flower. Flowers actinomorphic, large and showy and held above the surface of the water. Hypogynous, many tepals, many filamentous stamens, and separate one-seeded carpels held in the cavities of a "receptacle". Seeds eaten by Native Americans.
Platanaceae - sycamore family
Family of one genus and about six species widely distributed in North America, Mexico and from the eastern Mediterranean region to the Asian Himalayas. Important as an ornmental shade tree and for its fine-grained wood.
Platanus occidentalis - sycamore
Tree with leaves that are simple, alternate and palmately lobed. Patchy bark is characteristic. Stipules are large and deciduous. Flowers are small and in an inflorescence of dense, round heads. Female flowers may be asepalous and contain staminodes. Fruit a round head of achenes, often hairy.
Phytolaccaceae - pokeweed family
Phytolacca americana (pokeweed)
Caryophyllaceae - pink or carnation family
Arenaria stricta (rock sandwort)
Cerastium vulgatum (mouse-ear chickweed)
Dianthus armeria (deptford pink)
Lychnis coronaria (mullein pink)
Saponaria officinalis (bouncing bet)
Silene latifolia (white campion)
Silene cucubalus (bladder campion)
Silene dichotoma (forked catchfly)
Portulacaceae - purslane family
Claytonia caroliniana (spring-beauty)
Claytonia virginica (spring-beauty)
Talinum rugospermum (fame flower)
Portulaca oleracea (purslane)
Chenopodiaceae - goosefoot family
Kochia scoparia (summer cypress)
Atiplex patula (spearscale)
Chenopodium album (lamb's quarter, goosefoot)
Chenopodium ambroisioides (Mexican tea)
Cycloloma atriplicifolium (winged pigweed)
Amaranthaceae - amaranth family [now included in Chenopodiaceae
Amaranthus retroflexus (rough amaranth)
Froelichia (cottonweed)
Nyctanginaceae - four-o'clock family
Mirabilis nyctanginea (wild four-o'clock)
Cactaceae - cactus family
Opuntia humifusa (eastern prickly pear)
Opuntia fragilis (brittle or little prickly pear)
Molluginaceae - carpet weed family
Mollugo verticillata (carpet weed)
II. Order Polygonales
Polygonaceae - smartweed family
Polygonum natans (water smartweed)
P. pensylvanicum (smartweed)
P. punctatum (spotted smartweed)
P. cuspidatum (Mexican bamboo, Japanese smartweed)
Polygonella articulata (jointweed)
Rumex orbiculatus (great water dock)
R. crispus (curly dock)
Droseraceae - sundew family
Drosera rotundifolia (round-leaved sundew)
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